Research has demonstrated that people with significant intellectual, developmental, and physical disabilities can indicate clear preferences through methodologically rigorous assessments. Once preferred items have been identified, they can be used to reinforce new behaviors, which can assist in the development of a meaningful learning experience.…

Despite the clear long-term benefits of spaced practice, students and teachers often choose massed practice. Whether learners actually fail to appreciate the benefits of spacing is, however, open to question. Early studies (e.g., Zechmeister & Shaughnessy, 1980) found that participants' judgments of learning were higher after massed than after…